6A00.4

ICD-11 MMS 2026-01

Disorder of intellectual development, provisional

Description

Disorder of intellectual development, provisional is assigned when there is evidence of a disorder of intellectual development but the individual is an infant or child under the age of four or it is not possible to conduct a valid assessment of intellectual functioning and adaptive behaviour because of sensory or physical impairments (e.g., blindness, pre-lingual deafness), motor or communication impairments, severe problem behaviours or co-occurring mental and behavioural disorders.

Coding note from above levels

Use additional code, if desired, to identify any known aetiology.

Index terms

  • Disorder of intellectual development, provisional

Exclusions from above levels

  • http://id.who.int/icd/entity/546689346 – Dementia
  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Sibling codes

  • 6A00.0 – Disorder of intellectual development, mild
  • 6A00.1 – Disorder of intellectual development, moderate
  • 6A00.2 – Disorder of intellectual development, severe
  • 6A00.3 – Disorder of intellectual development, profound
  • 6A00.Z – Disorders of intellectual development, unspecified

Foundation entity

Disorder of intellectual development, provisional – http://id.who.int/icd/entity/1074941350

Part of: 6A00: Disorders of intellectual development › 06: Mental, behavioural or neurodevelopmental disorders